In a study of sticklebacks, researchers from the Max Planck Institute for Evolutionary Biology in Plön have now shown that reoccurring infectious diseases determine which individuals produce a particularly large number of offspring in a population
Stating that you don't care if you land a partner who is "hot" or "sexy" is relatively commonplace. But what people say they want and what they actually want are often two very different things when it comes to romantic attraction.
Creatures on Earth have annual cycles consisting of life history stages of breeding, moult and migration. For some, moon cycles influence their periodic behaviour, particularly in the case of birds
Wells did what any curious person would do, given a laboratory full of octopuses; he put males and females together and observed them mating. Unusually, though, he observed them mating while he was recording their heart activity.
Pecking, smooching, Frenching, and playing tonsil-hockey—there are as many names for kissing as there are ways to do it. But philematologists, the scientists who study kissing, aren’t exactly sure why humans started locking lips in the first place.